Use higher quality pseudo-random numbers than the Excel RAND() and VBA Rnd() functions.

Generate random numbers from 16 discrete and continuous distributions. ZRandom implements the following discrete distributions: Uniform, Bernoulli, Geometric, Hypergeometric, Negative Binomial and Poisson. ZRandom implements the following continuous distributions: Beta, Burr, Exponential, Gamma, Lognormal, Normal, Pareto, Triangular, Uniform and Weibull.

Create large batches of random numbers using the interactive user interface.

Excel functions for use in spreadsheet formulas.

Random Sort and Random Sample

Interactive distribution wizard

A VBA interface to generate random numbers in your code.